21700-4000mAh 5C Discharge Type
Battery model: 21700 4000mAh
Nominal Voltage: 3.6V
Charging Ending Voltage: 4.20±0.05V
Discharge Cut-off Voltage: 2.75V
Internal Impedance: ≤ 12mΩ
Standard Charging Current: 0.5C
Fast Charging Current: 1C
Standard Discharge Current: 0.5C
Max. Continuous Discharge Current: 5C
Max. Pulse Discharge Current: 25A (<200ms)
Weight: 68.0 ± 2.0 g
Max. Dimension: Diameter (φ): 21.75±0.15mm Height (H): 70.1±0.2mm
Working Temperature: Charging: 0℃~ +10℃(0.2C), 10℃~ +45℃(0.5C)
Discharging: -20℃~ +50℃
Storage Temperature: Within one month: -20℃~ +60℃
Within six months: -20℃ ~ +45℃
Within one year: -20℃~ +25℃
Application: vacuum cleaners, high-power electric toys, nail guns, electric wrenches, electric drills, electric saws, angle grinders, electric weeders and other electric tools.
